steev@wintermute ~/sandbox/linux-2.6.21 $ patch -p1 --dry-run < /home/steev/Efik
a/0009-powerpc-change-rheap-functions-to-use-ulongs-instea.patch 
patching file arch/powerpc/lib/rheap.c
Reversed (or previously applied) patch detected!  Assume -R? [n] n
Apply anyway? [n] n
Skipping patch.
24 out of 24 hunks ignored -- saving rejects to file arch/powerpc/lib/rheap.c.rej
patching file arch/powerpc/sysdev/commproc.c
Reversed (or previously applied) patch detected!  Assume -R? [n] n
Apply anyway? [n] n
Skipping patch.
4 out of 4 hunks ignored -- saving rejects to file arch/powerpc/sysdev/commproc.c.rej
patching file arch/powerpc/sysdev/cpm2_common.c
Reversed (or previously applied) patch detected!  Assume -R? [n] n
Apply anyway? [n] n
Skipping patch.
4 out of 4 hunks ignored -- saving rejects to file arch/powerpc/sysdev/cpm2_common.c.rej
patching file arch/powerpc/sysdev/qe_lib/qe.c
Reversed (or previously applied) patch detected!  Assume -R? [n] n
Apply anyway? [n] n
Skipping patch.
5 out of 5 hunks ignored -- saving rejects to file arch/powerpc/sysdev/qe_lib/qe.c.rej
patching file arch/powerpc/sysdev/qe_lib/ucc_fast.c
Reversed (or previously applied) patch detected!  Assume -R? [n] n
Apply anyway? [n] n
Skipping patch.
3 out of 3 hunks ignored -- saving rejects to file arch/powerpc/sysdev/qe_lib/ucc_fast.c.rej
patching file arch/powerpc/sysdev/qe_lib/ucc_slow.c
Reversed (or previously applied) patch detected!  Assume -R? [n] n
Apply anyway? [n] n
Skipping patch.
4 out of 4 hunks ignored -- saving rejects to file arch/powerpc/sysdev/qe_lib/ucc_slow.c.rej
patching file arch/ppc/8xx_io/commproc.c
Reversed (or previously applied) patch detected!  Assume -R? [n] n
Apply anyway? [n] n
Skipping patch.
4 out of 4 hunks ignored -- saving rejects to file arch/ppc/8xx_io/commproc.c.rej
can't find file to patch at input line 787
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|diff --git a/arch/ppc/lib/rheap.c b/arch/ppc/lib/rheap.c
|index d407007..9dc2f34 100644
|--- a/arch/ppc/lib/rheap.c
|+++ b/arch/ppc/lib/rheap.c
--------------------------
File to patch: